EPCOS (TDK)
Bild kan vara representation.
Se specifikationer för produktinformation.
B72207S0251K101
Visa detalj Datablad

B72207S0251K101

Product Overview

Category

The B72207S0251K101 belongs to the category of varistors, which are electronic components used to protect circuits from excessive voltage.

Use

This varistor is commonly used in electronic circuits to suppress transient voltage spikes and limit the voltage that may appear across an electrical component.

Characteristics

  • Voltage Rating: 250V
  • Nominal Discharge Current: 5kA
  • Operating Temperature Range: -40°C to +85°C
  • Response Time: <25ns
  • Maximum Energy Absorption: 0.8J
  • Package Type: Disc
  • Packaging/Quantity: Bulk packaging, quantity varies based on supplier

Specifications

  • Part Number: B72207S0251K101
  • Manufacturer: EPCOS (TDK)
  • Dimensions: 7mm diameter
  • Material: Metal Oxide Varistor (MOV)

Detailed Pin Configuration

The B72207S0251K101 varistor has two leads for connection to a circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to protect sensitive electronic components.
  • Fast Response Time: Rapid reaction to voltage surges ensures minimal impact on the protected circuit.

Advantages

  • High energy absorption capability
  • Fast response time
  • Compact size

Disadvantages

  • Limited lifespan after multiple surge events
  • Susceptible to thermal runaway under extreme conditions

Working Principles

The varistor operates based on the principle of non-linear resistance, where its resistance decreases with increasing voltage. When a voltage spike occurs, the varistor conducts current to divert the excess energy away from the protected circuit.

Detailed Application Field Plans

The B72207S0251K101 varistor finds applications in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • B72207S0271K101: Similar varistor with higher voltage rating
  • B72207S0301K101: Varistor with lower nominal discharge current but higher energy absorption capability
  • B72207S0331K101: Varistor with similar characteristics but different voltage rating

In conclusion, the B72207S0251K101 varistor by EPCOS (TDK) offers reliable transient voltage suppression for a wide range of electronic applications, despite its limitations in certain extreme conditions.

Word Count: 345

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av B72207S0251K101 i tekniska lösningar

  1. What is the B72207S0251K101 component used for in technical solutions?

    • The B72207S0251K101 is a ceramic transient voltage suppressor (TVS) diode used to protect sensitive electronic components from voltage spikes and transients.

  2. What are the key specifications of the B72207S0251K101?

    • The B72207S0251K101 has a working voltage of 25V, a maximum surge current of 100A, and a low clamping voltage to provide effective protection.

  3. How does the B72207S0251K101 protect electronic circuits?

    • When a voltage spike occurs, the B72207S0251K101 conducts excess current to ground, preventing it from reaching sensitive components and causing damage.

  4. In what applications is the B72207S0251K101 commonly used?

    • The B72207S0251K101 is often used in telecommunications equipment, industrial control systems, automotive electronics, and other applications where protection against voltage transients is critical.

  5. What is the operating temperature range of the B72207S0251K101?

    • The B72207S0251K101 has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  6. Can the B72207S0251K101 be used in high-speed data lines?

    • Yes, the B72207S0251K101 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.

  7. Does the B72207S0251K101 require any external components for proper operation?

    • No, the B72207S0251K101 is a standalone TVS diode and does not require additional external components for its basic function.

  8. What are the mounting options for the B72207S0251K101?

    • The B72207S0251K101 is available in surface mount (SMD) packages, making it easy to integrate into circuit board designs.

  9. Is the B72207S0251K101 RoHS compliant?

    • Yes, the B72207S0251K101 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. Are there any recommended layout considerations when using the B72207S0251K101 in a circuit?

    • It is recommended to minimize the trace length between the protected component and the B72207S0251K101 to ensure optimal protection. Additionally, providing a low-impedance path to ground is important for effective transient suppression.